Umpire Sean Johnston
Has umpired for 6th (Highest), 29th (Lowest), 18th (Average)
Conferences by Annual Ranking.
Worked in front of 10,736 Fans.
Officiated Conferences (including non-conference assignments):
2014
Summit League (4 games)
2015
Big East (2 games)
Summit League (4 games)
2016
Big East (4 games)
Summit League (3 games)
2017
Big Ten (1 games)
Summit League (5 games)
2018
Big East (2 games)
Big Ten (1 games)
Summit League (4 games)
2019
Big Ten (1 games)
MWC (10 games)
Summit League (1 games)
Teams Umpired (20 Teams):
| Air Force | Creighton | CSU Bakersfield |
| Dartmouth | Fresno St. | Kansas |
| Kansas St. | Minnesota | Nebraska |
| Nevada | North Dakota | North Dakota St. |
| Omaha | Purdue Fort Wayne | San Diego St. |
| Seton Hall | South Dakota St. | Stony Brook |
| UNLV | Western Ill. |